49251757072 has 40 divisors (see below), whose sum is σ = 109224634176. Its totient is φ = 21075540096.

The previous prime is 49251756973. The next prime is 49251757073. The reversal of 49251757072 is 27075715294.

It is not an unprimeable number, because it can be changed into a prime (49251757073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263578 + ... + 409849.

Almost surely, 2^49251757072 is an apocalyptic number.

It is an amenable number.

49251757072 is an abundant number, since it is smaller than the sum of its proper divisors (59972877104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49251757072 is a wasteful number, since it uses less digits than its factorization.

49251757072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674095 (or 674089 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 49251757072 in words is "forty-nine billion, two hundred fifty-one million, seven hundred fifty-seven thousand, seventy-two".